LED die-casting box body mounted against wall

Abstract

The utility model relates to the technical field of LED display screens, and discloses a wall-mounted LED die-casting box body which comprises a front frame and a rear cover, fixing strips are fixedly arranged on the front face and the back face of the right side of the front frame, two square grooves are formed in the left side of the top of the rear cover, and the fixing strips are arranged in the square grooves. And the side surfaces of the two fixing strips are slidably connected with the interiors of the two square grooves correspondingly, limiting blocks are fixedly arranged at the tops of the two fixing strips correspondingly, and the front side and the rear side of the top of the rear cover abut against the bottoms of the two limiting blocks correspondingly. According to the LED die-casting box installed against the wall, fixing strips, square grooves, connecting blocks and sliding rails are arranged, a front frame is fixedly installed on the wall through four bolts, two rolling wheels on a rear cover are made to make contact with the wall, pressing blocks on the front sides and the rear sides of the two connecting blocks are pressed, the pressing blocks are moved into containing grooves, then a handle is pulled downwards, and the LED die-casting box is installed against the wall. And the rear cover slides downwards to be opened and the internal circuit board is overhauled, so that the maintenance operation of the LED die-casting box body mounted against the wall is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of LED display screens, in particular to an LED die-casting box body installed against a wall. Background Art

[0002] Chinese patent CN218729679U provides a wall-mounted LED die-casting box, and the entire operation process of installing or removing the power control box is simple, avoiding the situation where maintenance personnel need to perform long-term high-altitude operations when the wall-mounted LED die-casting box is located at a high place.

[0003] When the existing LED die-casting box is installed against the wall, the back cover of the LED die-casting box is usually attached to the wall. The LED display screen is maintained by opening the front cover of the LED die-casting box, but the back cover against the wall cannot be removed, which makes it inconvenient to inspect and maintain the LED circuit board inside the back cover. Therefore, it is necessary to design a LED die-casting box that is easy to maintain and installed against the wall. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a wall-mounted LED die-cast box, which has the advantages of simple disassembly and assembly of the back cover and convenient maintenance. It solves the problem that when the existing LED die-cast box is installed against the wall, the back cover against the wall cannot be disassembled, making it inconvenient to inspect and maintain the LED circuit board inside the back cover.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wall-mounted LED die-cast box, comprising a front frame and a rear cover, wherein the front and back sides of the right side of the front frame are fixedly provided with fixing bars, and the left side of the top of the rear cover is provided with two square grooves, and the side surfaces of the two fixing bars are respectively slidably connected to the inside of the two square grooves, and the tops of the two fixing bars are fixedly provided with limiting blocks, and the front and rear sides of the top of the rear cover are respectively abutted against the bottoms of the two limiting blocks, and the bottoms of the two fixing bars are fixedly provided with connecting blocks, and the front and back sides of the connecting blocks are provided with pressing blocks, and the bottom of the rear cover is abutted against the tops of the two pressing blocks, and the four corners of the right side of the front frame are provided with mounting through holes.

[0008] Preferably, an LED placement groove is opened on the right side of the front frame, and a circuit board placement groove is opened on the left side of the rear cover. The LED placement groove is connected to the inside of the circuit board placement groove. The LED display screen and the LED circuit board are respectively installed in the front frame and the rear cover. The signal line on the LED display screen is arranged at the bottom of its right side, and the other end of the signal line is connected to the top of the left side of the circuit board to facilitate the normal downward movement and opening of the rear cover.

[0009] Preferably, two slide rails are provided on the left side of the bottom of the rear cover, the two square grooves are respectively connected to the inner top walls of the two slide rails, and the side surfaces of the two connecting blocks are respectively slidably connected to the inner parts of the two slide rails. The two connecting blocks are respectively slidably matched with the inner parts of the two slide rails, so that the rear cover on the right side of the front frame can be easily opened by sliding downward and closed by sliding upward, thereby facilitating the inspection and maintenance operations of the circuit board inside the rear cover of the LED die-cast box mounted against the wall.

[0010] Preferably, the front and back sides of the connecting block are provided with receiving grooves, and springs are fixedly installed inside the two receiving grooves. The other ends of the two springs are respectively fixedly connected to the opposite sides of the two pressing blocks. By pressing the pressing blocks on the front and rear sides of the two connecting blocks, the pressing blocks are moved into the receiving grooves. At this time, the back cover can be slid downward to open, thereby facilitating the inspection and maintenance of the circuit board inside the back cover of the LED die-cast box installed against the wall.

[0011] Preferably, the front and back sides of the right side of the rear cover are rotatably connected with rollers, and a handle is fixedly provided at the bottom of the rear cover. The rollers and the handle facilitate the downward or upward movement of the rear cover of the die-cast box, thereby facilitating the inspection and maintenance of the circuit board inside the rear cover of the LED die-cast box mounted against the wall.

[0012] Compared with the prior art, the utility model provides a wall-mounted LED die-casting box, which has the following beneficial effects:

[0013] 1. The LED die-cast box mounted against the wall is provided with a fixing bar, a square groove, a connecting block and a slide rail, and the front frame is fixed to the wall by four bolts, so that the two rollers on the rear cover are in contact with the wall, and the pressing blocks on the front and rear sides of the two connecting blocks are pressed to move the pressing blocks into the receiving grooves, and then the handle is pulled downward to slide the rear cover downward to open and inspect the internal circuit board, thereby facilitating the maintenance operation of the LED die-cast box mounted against the wall.

[0014] 2. The LED die-cast box mounted against the wall is provided with limit blocks, pressing blocks and springs. After the circuit board is inspected, the handle is pushed upward to move the back cover upward and finally contact the bottom of the two limit blocks. Through the restoring effect of the springs in the two connecting blocks, the pressing blocks on the front and rear sides of the two connecting blocks are popped out, so that the back cover is moved upward and reset and then fixed, thereby facilitating the closing operation of the back cover of the LED die-cast box mounted against the wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the LED die-casting box structure installed against a wall according to the utility model;

[0016] Figure 2 This is a schematic diagram of the front frame structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the rear cover structure of the utility model;

[0018] Figure 4 This is a cross-sectional view of the connecting block structure of the utility model.

[0019] Among them: 1. front frame; 2. back cover; 3. fixing bar; 4. square groove; 5. limit block; 6. connecting block; 7. pressing block; 8. mounting through hole; 9. LED placement groove; 10. circuit board placement groove; 11. slide rail; 12. spring; 13. roller; 14. handle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4A LED die-casting box mounted against a wall comprises a front frame 1 and a rear cover 2. The right side of the front frame 1 is provided with an LED placement groove 9, the left side of the rear cover 2 is provided with a circuit board placement groove 10, the LED placement groove 9 is communicated with the inside of the circuit board placement groove 10, the front and back sides of the right side of the rear cover 2 are both rotatably connected with rollers 13, a handle 14 is fixedly provided at the bottom of the rear cover 2, the front and back sides of the right side of the front frame 1 are both fixedly provided with fixing strips 3, the left side of the top of the rear cover 2 is provided with two square grooves 4, and the side surfaces of the two fixing strips 3 are respectively connected to the two square grooves. 4 is internally slidably connected, the tops of the two fixing bars 3 are fixedly provided with limit blocks 5, the front and rear sides of the top of the rear cover 2 are respectively abutted against the bottoms of the two limit blocks 5, the bottoms of the two fixing bars 3 are fixedly provided with connecting blocks 6, the left side of the bottom of the rear cover 2 is provided with two slide rails 11, the two square grooves 4 are respectively connected with the inner top walls of the two slide rails 11, the side surfaces of the two connecting blocks 6 are respectively connected with the inner sliding of the two slide rails 11, the fixing bars 3, the square grooves 4, the connecting blocks 6 and the slide rails 11 are provided, and the front frame 1 is fixed to the wall by four bolts The two rollers 13 on the rear cover 2 are in contact with the wall, and the pressing blocks 7 on the front and rear sides of the two connecting blocks 6 are pressed to move the pressing blocks 7 into the receiving grooves, and then the handle 14 is pulled downward to slide the rear cover 2 downward to open and inspect the internal circuit board, thereby facilitating the maintenance of the LED die-casting box installed against the wall. The front and back sides of the connecting block 6 are both provided with pressing blocks 7, and the front and back sides of the connecting block 6 are both provided with receiving grooves, and the insides of the two receiving grooves are fixedly installed with springs 12, and the other ends of the two springs 12 are respectively connected to the two pressing blocks. The opposite side of the pressing block 7 is fixedly connected, and the bottom of the rear cover 2 is abutted against the top of the two pressing blocks 7. A limit block 5, a pressing block 7 and a spring 12 are provided. After the circuit board is overhauled, the handle 14 is pushed upward to move the rear cover 2 upward and finally contact the bottom of the two limit blocks 5. Through the restoring action of the springs 12 in the two connecting blocks 6, the pressing blocks 7 on the front and rear sides of the two connecting blocks 6 are popped out, so that the rear cover 2 is moved upward and reset and then fixed, thereby facilitating the closing operation of the rear cover 2 of the LED die-cast box installed against the wall. Four corners on the right side of the front frame 1 are provided with mounting through holes 8.

[0022] When in use, the front frame 1 is fixed to the wall by four bolts, so that the two rollers 13 on the rear cover 2 are in contact with the wall, and the pressing blocks 7 on the front and rear sides of the two connecting blocks 6 are pressed to move the pressing blocks 7 into the receiving groove, and then the handle 14 is pulled downward to slide the rear cover 2 downward to open and inspect the internal circuit board. After the circuit board is inspected, the handle 14 is pushed upward to move the rear cover 2 upward and finally contact the bottom of the two limit blocks 5. Through the restoring effect of the springs 12 in the two connecting blocks 6, the pressing blocks 7 on the front and rear sides of the two connecting blocks 6 are ejected, so that the rear cover 2 is moved upward and reset and fixed. The LED die-casting box installed against the wall is convenient to open and close, which solves the problem that the rear cover 2 of the existing LED die-casting box installed against the wall cannot be disassembled, thereby inspecting and maintaining the circuit board in the rear cover 2 of the LED die-casting box.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wall-mounted LED die-casting box, comprising a front frame (1) and a rear cover (2), characterized in that: The front and back sides of the right side of the front frame (1) are fixedly provided with fixing strips (3); the left side of the top of the rear cover (2) is provided with two square grooves (4); the side surfaces of the two fixing strips (3) are respectively slidably connected to the inside of the two square grooves (4); the tops of the two fixing strips (3) are fixedly provided with limiting blocks (5); the front and rear sides of the top of the rear cover (2) are respectively abutted against the bottoms of the two limiting blocks (5); the bottoms of the two fixing strips (3) are fixedly provided with connecting blocks (6); the front and back sides of the connecting blocks (6) are provided with pressing blocks (7); the bottom of the rear cover (2) is abutted against the tops of the two pressing blocks (7); and the four corners of the right side of the front frame (1) are provided with mounting through holes (8).

2. The wall-mounted LED die-casting box according to claim 1, characterized in that: An LED placement groove (9) is provided on the right side of the front frame (1), and a circuit board placement groove (10) is provided on the left side of the rear cover (2); the LED placement groove (9) is in communication with the inside of the circuit board placement groove (10).

3. The wall-mounted LED die-casting box according to claim 1, characterized in that: Two slide rails (11) are provided on the left side of the bottom of the rear cover (2), the two square grooves (4) are respectively connected to the inner top walls of the two slide rails (11), and the side surfaces of the two connecting blocks (6) are respectively slidably connected to the inside of the two slide rails (11).

4. The wall-mounted LED die-casting box according to claim 1, characterized in that: The front and back sides of the connection block (6) are both provided with receiving grooves, and springs (12) are fixedly installed inside the two receiving grooves, and the other ends of the two springs (12) are respectively fixedly connected to the opposite sides of the two pressing blocks (7).

5. The wall-mounted LED die-casting box according to claim 1, characterized in that: The front and back sides of the right side of the rear cover (2) are both rotatably connected to rollers (13), and a handle (14) is fixedly provided at the bottom of the rear cover (2).

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